2021 BMW 3 Series 2.0 330e M Sport

Price: £17,699. Fair price: £1,294 (6%) under the AskCar estimate of £18,993, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: 2.0 12kWh 330e M Sport Auto RWD Euro 6 (s/s) 4dr (288 bhp)
  • Year: 2021
  • Mileage: 57,885 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 288 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Blue
  • CO2: 31 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 57,885 miles, this 2021 BMW 3 Series M Sport has covered about 2,900 more miles than other 2021 BMW 3 Series cars. The AskCar estimate for this car is £18,993. It is priced at £17,699, which is £1,294 below that estimate. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 20 days ago, the asking price has dropped by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,294 (6%) under the AskCar estimate of £18,993.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £17,999. Its asking price is now £17,699, £300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 13 October 2026: £17,999
  • 30 October 2026: £17,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 October 2027.

It has had 4 MOTs. The latest, on 5 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,882 miles, which matches the advertised 57,885 miles.

Advertised mileage is about 2,900 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

77 other 2021 BMW 3 Series M Sport 2.0 plug-in hybrid automatic saloons are for sale at UK dealers, from £10,499 to £24,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, black. Mileage: 58,888 miles. Price: £20,499, £2,800 more than this car. Dealer: Car Quest in Ebbw Vale. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-76da339cd810
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, blue. Mileage: 59,000 miles. Price: £18,789, £1,090 more than this car. Dealer: Auto Vuego Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7a8a849d04f7
  • 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, grey. Mileage: 59,000 miles. Price: £19,289, £1,590 more than this car. Dealer: Auto Vuego Motors in Hillingdon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5149c3c1c8f9
  • The nearest: 2021 BMW 3 Series M Sport, 2.0 plug-in hybrid saloon, white, 17 miles from this car. Mileage: 56,700 miles. Price: £18,490, £791 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-1578281fb7a2

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

More like this

Photos

32 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.